Civil Engineering - Waste Water Engineering
Exercise :: Waste Water Engineering - Section 4
| 1. |
A nuisance is experienced in diluting water if dilution factor is less than |
Answer: Option D
Explanation:
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| 2. |
Traps |
| A. |
are water seals which prevent the entry of foul gases | | B. |
are used to trap the rats entering sewers | | C. |
dissolve the foul gases | | D. |
create syphonic action to increase the quick disposal of sewerage. |
Answer: Option A
Explanation:
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| 3. |
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by |
| A. |
Kinchling | | B. |
Lloyd Davis | | C. |
Frubling | | D. |
all the above. |
Answer: Option D
Explanation:
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| 4. |
Pick up the correct statement from the following : |
| A. |
Inlets are provided on the road surface at the lowest point for draining rain water | | B. |
Inlets are generally provided at an interval of 30 m to 60 m along straight roads | | C. |
Inlets having vertical openings, are called curb inlets | | D. |
Inlets having horizontal openings, are called horizontal inlets | | E. |
All the above. |
Answer: Option E
Explanation:
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| 5. |
Pick up the correct statement from the following : |
| A. |
The boning rod is used for checking the levels of the sewer inverts | | B. |
Manhole covers are made circular for the convenience of the cleaning staff | | C. |
A manhole is classified as deep manhole if its depth is more than 1.5 m | | D. |
A manhole is classified as shallow manhole if its depth is. less than 0.9 m | | E. |
All the above. |
Answer: Option E
Explanation:
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